Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
  • A24B15/18—Treatment of tobacco products or tobacco substitutes
  • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
  • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
  • A24B15/301—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by aromatic compounds
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Definitions

• the present invention relates to tobacco products or tobacco-like products which are provided with known antioxidative natural substances and / or nature-identical synthesis products thereof and are intended for smoking, and to processes for producing these products.
• the human organism is exposed to a naturally occurring basic load of toxic substances and is therefore confronted with a large number of utagenic and carcinogenic substances, some of which are formed by itself through its own metabolism.
• the body's defense system is of particular importance, which can also be influenced individually by the way of life.
• the food intake in the body causes a number of chemical reactions, whereby mutagenic and antimutagenic substances are in close interrelation.
• tobacco products used in this description includes both cigarettes, cigarillos and tobacco cartridges (so-called plug-in cigarettes) with or without a filter, as well as fine cut and pipe tobacco, which consist entirely or in part of tobacco and / or another smokable material, as well as tobacco candles similar tobacco products such as "Kretek” - cigaret:; ⁇ with the addition of up to 50% by weight of smokable spices, or to understand pure, tobacco-free plant cigarettes.
• the object of the present invention is therefore to create a further smoking article which contains additives which further reduce the potential risks of smoking, and to provide a method for producing such smoking articles.
• a smokable product made from tobacco and / or another smokable material which comprises antioxidative natural substances and / or nature-identical synthesis products thereof, which are selected from:
• the smokable product according to the invention has a significantly lower risk potential than conventional products.
• the hydroxycinnamic acids p-cumaric acid, caffeic acid and ferulic acid are preferred.
• the preferred esters of hydroxycinnamic acids are their methyl and ethyl esters, while the preferred deposits of hydroxycinnamic acids consist of their compounds with fruit acids or quinic acid, of which chlorogenic acids are particularly preferred.
• the plant phenols derivable from hydroxycinnamic acids umbelliferone, aesculetin, scopoletin, curcumin, ellagic acid and dihydrocaffeic acid are preferred, while the polymers of the hydroxycinnamic alcohols are preferably derived from p-coumaryl alcohol, coniferyl alcohol and sinapyl alcohol.
• the other natural substances of plant origin with both anti-mutagenic and flavoring properties are preferably vanillin, ethylvanillin, cinnamaldehyde, anisaldehyde, coumarin, 6-methylcoumarin, eugenol, jasmine aldehyde, anethole, p-anisylacetone, limonene, cinnamon and cinnamon extract.
• the antioxidative vitamins combined according to the invention with these other natural substances of plant origin are preferably ascorbic acid, ⁇ -carotene, retinol and tocopherol and their derivatives, optionally in combination with one another and / or other vitamins.
• Stable derivatives of ascorbic acid such as ascorbic acid palmitate or ascorbigen (ascorbic acid bound O 95/28098 PC ⁇ 7EP95 / 01452
• vitamins which have an antioxidative effect and are complexed with eukaryotic cell cultures, ⁇ -carotene, retinol and ⁇ -tocopherol and their derivatives are preferred.
• the preferred hydroxycinnamic alcohols according to the invention are p-comaryl alcohol, coniferyl alcohol and sinapyl alcohol and form the lignin which occurs in woody plants.
• the various hydroxycinnamic alcohols are incorporated into macromolecules in varying amounts in various forms of linkage.
• the strength of the wood is essentially caused by the incorporation of lignin in cellulose.
• the antioxidative natural substances and / or nature-identical synthesis products thereof are contained in the tobacco product individually or in combination, their relative amounts based on the total weight being able to vary depending on the intended component or components of a smokable tobacco product.
• the natural substances can be incorporated or upgraded in a known manner both in the smoking tobacco including the conventional additives and in individual components of the tobacco products that are accessible to the mainstream smoke, such as filters, wrapping papers, carrier substances, Na glue, etc. Manufacturer of the tobacco product can also happen proportionately with its suppliers. If the pure natural substances are added to tobacco, their preferred relative use amount is in the range of 0.1 per thousand to 25% by weight, a content between 1 and 5% by weight being particularly preferred.
• the preferred amounts are 0.1 to 50% by weight, with amounts of 1 to 20% by weight being particularly preferred are.
• the filter used can be a chamber filter, a cellulose acetate filter or a cellulose random-fiber fleece filter or a multiple filter, preferably a double filter (in each case with or without filter ventilation), the double filter having a higher line-side draw resistance and a lower mouth-side draw resistance and an overall filter efficiency of 80 - 99%. Filters made from other filter materials known per se can also be used in combination with the antioxidative natural substances.
• Natural substances according to the invention also apply to the preferred amounts of 0.1 per mille to 25% by weight, based on the pure natural substances, and also the particularly preferred amounts of use of 1.0 to 5% by weight, in all cases the intended use can be supplemented by adding the pure natural substances or the pure substances according to the invention to the smokable mixture.
• a further preferred use or offer form of the natural material containing the antioxidative natural substances, in particular vitamins such as ⁇ -tocopherol or ⁇ -carotene, are cultured eukaryotic cells, the dry matter of which is between 0.5 and 15% by weight of the antioxidant vitamins in fixed or fixed form May contain, such as specially cultivated tobacco or yeast cells.
• the antioxidative natural substances according to the invention firmly attach themselves to the cultured eukaryotic cells when they are added to the culture broth in suitable concentrations.
• concentrations in the case of ⁇ -tocopherol are 0.01 to 10, preferably 0.05 to 2% by volume, and in the case of ⁇ -carotene 0, 01 to 0.5, preferably 0.05 to 0.2 vol .-% o.
• the complexes according to the invention thus formed can then be added after filtration from the culture broth and drying of the smokable mixture.
• the substances according to the invention when producing a smokable mixture, can be added to the leaf cut and / or the rib cut in a manner known per se, if appropriate using known adhesives and binders.
• the substances can be incorporated into film or tape tobacco in a known manner, which is particularly useful when using solid, ground natural substances.
• a novel, non-tobacco-containing plant film can also be used here, which at least partially contains the natural substances according to the invention in the form of plant-specific ingredients of parts of the plant film material.
• the smokable base material is preferably a mixture of lamina tobacco or a mixture of lamina tobacco and foil tobacco or a tobacco-free mixture of plant material which is made from coltsfoot, peppermint, nettle, white plantain, spearmint, lavender, thyme, Sweet or sour cherry leaves, knotweed leaves, rose leaves, allspice leaves or cinnamon bark are derived.
• the smokable material be a combination of tobacco blend and tobacco-free blend.
• the substances according to the invention can be added to the casing and / or flavoring substances in liquid form, and they can even replace them.
• the usual filter systems essentially consist either of a filter fiber tow made of cellulose acetate fibers or of cellulose fibers which are matted together, which result in a cellulose random fiber fleece.
• the filter fiber tow is normally sprayed with one of the permitted hardeners during the manufacture of the cigarette filter in order to crosslink the fibers and thus harden the filter.
• These hardeners mostly consist of triacetin or.
• Triethylene glycol diacetate (TEGDA) can, according to the invention, be partly or completely replaced by the natural substances according to the invention in liquid form, provided that they dissolve in the hardener or act as hardeners themselves, for example eugenol.
• Suspensions of solid natural substances can also be used in the hardener, but also scattering of ground natural substances in filter fiber tow made of cellulose acetate fibers.
• the substance eugenol can also be used in the form of a mixture with other substances listed in Tables 2 and 3 as hardeners or solvents, the specific mixtures and their respective proportions taking into account their properties and their market prices and depending on the or components of the product according to the invention to be treated can easily be selected.
• a mixture of 80 parts of triacetin, 15 parts of eugenol and 5 parts of ⁇ -tocopherol acetate is particularly preferred.
• the substances mixed in this ratio result in a clear solution, from which triacetin and eugenol preferably diffuse into the interior of the fibers after application to cellulose acetate fibers, as a result of which the tocopherol acetate is enriched on the surface of the filter fibers, and thus particularly easily from here as an emitter acting "filter" can be transferred into the main stream smoke.
• the filter to be used in the process for producing a tobacco product does not consist of cellulose acetate fibers, it and / or the other components of the later product such as the smokable tobacco-containing or tobacco-free vegetable material
• the cigarette paper and the suture to be used according to the invention are provided with a Solution from the aromatic substances and vitamins (or provitamins) treated according to the invention, individual representatives of these groups of substances being usable as solvents.
• the respective solubilities and miscibilities of the entire substances in or with some of the natural substances which can also be used as solvents according to the invention are shown in Table 3.
• TEGDA triethylene glycol diacetate
• ⁇ 1 solubility less than 1% by weight
• the substances according to the invention can already be incorporated into the fleece by the filter material manufacturer.
• the usually bleached cellulose fibers of, for example, annual plants of the known random fiber fleece can be exchanged partially or predominantly, preferably up to 85%, with suitable unbleached wood pulp "fibers" containing lignin with sufficient antioxidant activity.
• the solid substances according to the invention can be introduced into the chambers of chamber filters, for example in granular form with a grain diameter of about 0.8 mm, by the filter rod manufacturer, as can liquid substances according to the invention, taken up, for example, from wood flour or lignin granules, with particularly suitable or wood particles in fiber-dust or granule form containing a lot of antioxidative action can also be used as solitary as chamber embedding materials or as self-supporting, porous or smoke-permeable compacts in the desired filter format.
• the inside of the filter wrapping paper that comes into contact with the mainstream smoke when it is smoking can also be coated with the natural substances according to the invention.
• the cigarettes paper can be provided with the natural substances according to the invention in encapsulated or unencapsulated form in a manner known per se, both single-layer and two-layer cigarette papers being suitable for this.
• the inner tobacco rod wrapper which can also be network-like or highly porous (10-20,000 CORESTA), is preferably provided with the substances according to the invention.
• This net-like inner tobacco rod wrapping can be made predominantly or entirely from suitable wood pulp containing lignin which has an antioxidative effect, and the fiber content of otherwise customary cigarette papers can also consist at least partly of suitable unbleached wood pulp containing lignin.
• the glue used in the area of the cigarette seam to glue the tobacco rod casing can also contain the natural substances according to the invention in liquid or finely ground form. It has been shown here that the technical properties of glues treated in this way can even be improved.
• the tobacco product according to the invention when consumed or smoked, its mainstream smoke is enriched with the natural substances known to have an antioxidative effect, with the result that the antimutagenic substances released by the mainstream smoke are approximately at the same time as the potential pollutants of the mainstream smoke are available to the organism at the site of metabolism and thus a possible mutagenic effect of the undesirable critical substances is largely largely compensated.
• test principle essentially consists in the fact that histidine-auxotrophic (his " ) indicator bacteria of the Salmonella tvphimurium species mutate back into their prototrophic form (his + ) under the influence of mutagenic substances. Carrying out the Arnes test without or With “S 9 activation", a statement can be made as to whether a test substance is mutagenic in its initial form or only after metabolism.
• the tobacco product proposed according to the invention has a greatly reduced risk compared to conventional products. potential, since the natural substances used exert their antioxidative properties on a large number of undesirable substances and their effects develop at the point of metabolism.
• the 48 mg heavy cigarette paper had a porosity of 24 coresta, the filter weight was around 180 mg, the filter material consisted of commercially available cellulose acetate fibers (3.0 Y / 35000), the hardener was triacetin (approx. 7%).
• Scopoletin (7-hydroxy-6-methoxycoumarin) with a melting point of 205 ° C, without boiling point, is contained as a natural plant substance in virginia tobacco in a concentration of about 300 ppm.
• three versions of experimental cigarettes were produced on the basis of the same lot of cigarettes as in Example 1.
• the tobacco of 60 filter cigarettes according to Example 1 was blown out of these using compressed air, collected, divided into thirds, two thirds of the natural product (compared only with ethanol) and in 60 equal proportions the blown out, in three Loose divided 3 x 20 filter sleeves were added again using a commercially available tobacco tamping machine for filter cigarette tubes, although the strand weight of the filter cigarettes produced in this way decreased slightly.
• the concentration of scopoletin in the tobacco was increased by spraying an ethanolic solution of scopoletin on the cigarette tobacco from the original 330 ppm to 630 ppm and 5,330 ppm, respectively.
• the manufactured cigarettes were smoked as described in Example 1, the smoke condensate collected being dissolved in methanol.
• the filter sleeve design data corresponded to that of Example 1, the strand weight decreased to 930 ⁇ 20 mg, the amount of tobacco smoked was 785 mg.
• the analytical determination of scopoletin was carried out using HPL under the following conditions:
• Plasticizer water / methanol / acetic acid - 85/13/2
• Smoked amount of tobacco 785 mg per cigarette
• Amount of eugenol. * ⁇ '% Tr. Percent by weight, based on the dry weight.
• test cigarettes were smoked under standard conditions (see example 1).
• the test results are shown graphically in FIG.
• the mutagenicity of the smoke condensate of mixture 1 was reduced to 55.5% of the effect of the comparison, which can be explained by the amount of eugenol contained in the cloves.
• the cloves used had an eugenol content of 17.0%.
• the surprising reduction in mutagenicity can of the smoke condensate of mixture 2 to 65.3% cannot be explained solely by the amounts of cinnamaldehyde and eugenol contained.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Toxicology (AREA)
• General Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Manufacture Of Tobacco Products (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Anti-Oxidant Or Stabilizer Compositions (AREA)
• Compounds Of Unknown Constitution (AREA)

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• 1994
  • 1994-04-19 DE DE4416101A patent/DE4416101C2/de not_active Revoked
• 1995
  • 1995-04-18 RO RO96-01987A patent/RO117888B1/ro unknown
  • 1995-04-18 CN CN95192648A patent/CN1148324A/zh active Pending
  • 1995-04-18 CA CA002184592A patent/CA2184592A1/en not_active Abandoned
  • 1995-04-18 RU RU96121906A patent/RU2142729C1/ru active
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  • 1995-04-18 DK DK95917934T patent/DK0756461T3/da active
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• 1996
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• 1998
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• 2001
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